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ivanzaharov [21]
3 years ago
14

Kareem and Kira each opened a savings account today. Kareem opened his account with a starting amount of $770, and he is going t

o take out $30 per month. Kira opened her account with a starting amount of $935, and she is going to take out $45 per month. Let x be the number of months after today.
Required:
How many months will it take you to save enough money to buy 10 acres of land on Mars?
Mathematics
1 answer:
allochka39001 [22]3 years ago
4 0

Answer:

Step-by-step explanation:

The question is not complete, i think the correct question is:

Kareem and Kira each opened a savings account today. Kareem opened his account with a starting amount of $770, and he is going to deposit $30 per month. Kira opened her account with a starting amount of $935, and she is going to deposit $45 per month. Let x be the number of months after today

Let us assume that each acre of land on Mars cost $107.

a) For Kareem account, she started with $770 and would deposit $30 per month. Let y represent the money deposited after x month. This can be represented by the equation:

y = 770 + 30x

Since each acre cost $107, 10 acre would cost $1070. Therefore $1070 is needed to be saved. To find the number of months, substitute y = 1070 and solve. Therefore:

1070 = 770 + 30x

1070 - 770 = 30x

30 x = 300

x = 300/30

x = 10

It would take 10 months for Kareem to buy 10 acres of land

b) For Kira account, she started with $935 and would deposit $45 per month. This can be represented by the equation:

y = 935 + 45x

Since each acre cost $107, 10 acre would cost $1070. Therefore $1070 is needed to be saved. To find the number of months, substitute y = 1070 and solve. Therefore:

1070 = 935 + 45x

1070 - 935 = 45x

45 x = 135

x = 3

It would take 3 months for Kira to buy 10 acres of land

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frosja888 [35]

Answer:

Radius=\sqrt{27.87} feet

Step-by-step explanation:

Volume of a right cylinder= \pi *r^2*h

Volume= 350 feet^3

Height(h)=4 feet

As, \pi =\frac{22}{7}=3.14

           350=3.14*r^2*4\\\\350=12.56*r^2\\\\r^2=350/12.56\\\\r^2=27.87\\\\r=\sqrt{27.87}feet

Radius=\sqrt{27.87} feet

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You put $500 in a savings account. The account earns $15.75 simple interest in 6 months. What is the annual interest rate? Show
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So in 6 months (1/2yr) you earned $15.75 interest, if we double that we find the total interest you would gain for that year, 15.75x2= $31.5 total interest for that year.

To find the annual rate divide the interest gained by the amount deposited, 31.5/500 = 0.063% p.a.
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Draw 2 cards from a standard deck of 52 cards. What is the probability that the first card is a queen and the second card is a k
bixtya [17]

Answer:

4/663

Step-by-step explanation:

There are four queens.  The probability that the first card is a queen is 4/52.

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A relation is (also) a function if every input x is mapped to a unique output y.

In terms of graphical representation, this implies that a graph represents a function if there doesn't exist a vertical line that intersects the graph more than once. So:

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8 0
3 years ago
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